EP2816168B1 - Pierre de coffrage destinée à la liaison avec un revêtement en béton - Google Patents

Pierre de coffrage destinée à la liaison avec un revêtement en béton Download PDF

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Publication number
EP2816168B1
EP2816168B1 EP14168928.1A EP14168928A EP2816168B1 EP 2816168 B1 EP2816168 B1 EP 2816168B1 EP 14168928 A EP14168928 A EP 14168928A EP 2816168 B1 EP2816168 B1 EP 2816168B1
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EP
European Patent Office
Prior art keywords
insulating layer
concrete
formwork block
concrete floor
formwork
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP14168928.1A
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German (de)
English (en)
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EP2816168A2 (fr
EP2816168B8 (fr
EP2816168A3 (fr
Inventor
Friedrich Gebhart
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Baustoffwerke Gebhart and Soehne GmbH and Co KG
Original Assignee
Baustoffwerke Gebhart and Soehne GmbH and Co KG
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Publication of EP2816168A2 publication Critical patent/EP2816168A2/fr
Publication of EP2816168A3 publication Critical patent/EP2816168A3/fr
Publication of EP2816168B1 publication Critical patent/EP2816168B1/fr
Application granted granted Critical
Publication of EP2816168B8 publication Critical patent/EP2816168B8/fr
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Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
    • E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E04B2/04—Walls having neither cavities between, nor in, the solid elements
    • E04B2/12—Walls having neither cavities between, nor in, the solid elements using elements having a general shape differing from that of a parallelepiped
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C1/00—Building elements of block or other shape for the construction of parts of buildings
    • E04C1/39—Building elements of block or other shape for the construction of parts of buildings characterised by special adaptations, e.g. serving for locating conduits, for forming soffits, cornices, or shelves, for fixing wall-plates or door-frames, for claustra
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C1/00—Building elements of block or other shape for the construction of parts of buildings
    • E04C1/40—Building elements of block or other shape for the construction of parts of buildings built-up from parts of different materials, e.g. composed of layers of different materials or stones with filling material or with insulating inserts
    • E04C1/41—Building elements of block or other shape for the construction of parts of buildings built-up from parts of different materials, e.g. composed of layers of different materials or stones with filling material or with insulating inserts composed of insulating material and load-bearing concrete, stone or stone-like material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B2001/7679—Means preventing cold bridging at the junction of an exterior wall with an interior wall or a floor
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/17—Floor structures partly formed in situ
    • E04B2005/173—Floor structures partly formed in situ with permanent forms for the floor edges

Definitions

  • the invention relates to a formwork block for connection to a concrete floor, with an insulating layer, the first side surface of an outer shell of the shuttering stone facing and connected thereto and facing the opposite second side surface of the concrete ceiling to be connected thereto.
  • the invention further relates to a building with a concrete floor, wherein the concrete floor is provided on at least one of its side edges with a formwork block.
  • Formwork blocks usually have a form of lightweight concrete formwork on the inside and / or outside, between which or connected to this an insulating layer is arranged.
  • the formwork itself is usually made of lightweight concrete.
  • the insulating layer is connected via mostly positive and / or non-positive connections with the associated stone side.
  • Shuttering stones made of concrete, bricks or other materials are also known.
  • Formwork stones are frequently used which have both an outer shell and an inner shell with an intermediate insulating layer. This is called classical double-shell masonry. With regard to excellent thermal insulation, heat storage and also to achieve a very good sound insulation, such stones have been proven.
  • an insulated connection element which is also provided in addition to the thermal insulation of the concrete floor, flush with the building exterior wall, ie flush with respect to the outside of the underlying walls, insert.
  • a shuttering stone which has only an outer shell and an adjoining insulating layer.
  • This formwork stone must be connected to the edge of the concrete ceiling. This takes place in such a way that the insulating layer rests against the side edge of the concrete ceiling.
  • the particular challenge is that on the outer shell of the formwork block to be connected to the concrete floor, in part, the weight of further, when building the next floor to be built stones, rests.
  • a correspondingly large compressive force acts parallel to the wall on the outer shell of the shuttering stone to be connected to the concrete floor, which is to be intercepted and introduced into the concrete floor.
  • brackets are made of stainless steel and can be similar to a shelf connected to the side edge of the concrete ceiling, including in the concrete ceiling cast-C-rails are used.
  • the stone then to be connected to the side edge of the concrete ceiling is placed on the shelf-like stainless steel console. Compressive forces acting on the stone are thus introduced into the concrete ceiling via the stainless steel console.
  • Iso-baskets are also known from Schöck Baumaschine GmbH, Baden-Baden, which have a complex stainless steel reinforcement, with which tensile and compressive forces can be transmitted. These Iso-baskets have a structure that includes a stainless steel triangle to reduce the compressive and tensile forces. The reinforcements used for this purpose extend comparatively far into the concrete floor, in order to be able to ensure absorption of the tensile and compressive forces.
  • a disadvantage of the known solutions is that they are relatively expensive. These are load-bearing elements that must be made of stainless steel to prevent corrosion. Another disadvantage is that the stainless steel brackets or the Iso-baskets made of stainless steel penetrate into the area of the outside of the masonry, whereby a cold bridge is formed, which leads into the concrete floor. This deteriorates the thermal insulation.
  • the present invention is therefore an object of the invention to provide a formwork stone, which is simple, inexpensive and reliable connected to a concrete ceiling and allows good thermal insulation.
  • the shuttering block according to the invention comprises at least one of a stable material, formed side web which extends from the outer shell in the direction of the concrete pavement to be connected and in that the side bar can support the concrete floor, when the shuttering stone is installed correctly, a particularly advantageous, reliable and cost-effective way is created to initiate compressive forces that load on the formwork block in the concrete ceiling.
  • this does not require a stainless steel console or an Iso-Korb® made of stainless steel with elaborately designed reinforcing inserts.
  • the inventor has recognized that it is sufficient to provide a side bar of a load bearing material therefor.
  • the side bar has over the known stainless steel elements for transmitting the compressive forces the decisive advantage that a cost-effective production is possible and a significantly better thermal insulation is achieved compared with the use of stainless steel elements.
  • the side bar may for example be made of concrete, in particular lightweight concrete, brick or other known for the production of building blocks sustainable material.
  • the at least one side web made of lightweight concrete is shown, it is also possible to use any concrete or brick or any other viable material, in particular a material which is used for the production of building blocks.
  • any concrete or brick or any other viable material in particular a material which is used for the production of building blocks.
  • the following description is to be understood accordingly for these versions of the side bar. All features that are specified below in particular in With regard to the side bar or the outer shell with respect to concrete or lightweight concrete, can also be realized if the side bar or the outer shell made of any viable material, for. As a material from which building blocks are formed, for. Brick.
  • the outer shell and the at least one side web can preferably be formed of the same material. It can be provided that at least one side bar, but also a plurality of side bars or one of a plurality of side bars is integrally formed with the outer shell made of concrete, preferably made of lightweight concrete.
  • a one-piece design of the outer shell made of any load bearing material with at least one side web is also useful if at least one of the side webs forms a side wall of the shuttering stone, as will be explained in more detail below.
  • the shuttering block can thus have, for example, an L-shaped profile when viewed in cross-section, in which case a side wall is designed as a side bar and is preferably produced in one piece with the outer shell.
  • the shuttering block viewed in cross section may also have a U-shape, in which case preferably both side walls are formed as side bars and preferably integrally formed with the outer formwork made of concrete, preferably lightweight concrete.
  • the shuttering block according to the invention has at least one connecting anchor with a first end, which projects beyond the first side surface of the insulating layer and is fixed in its position relative to the outer shell.
  • the second end overhangs the second side surface of the insulating layer such that the second end is enclosed in the concrete layer when the formwork block is correctly installed.
  • the inventor has divided the forces acting on the formwork stone and which it is to be introduced into the concrete floor.
  • the at least one side edge Lightweight concrete takes over the introduction of compressive forces in the concrete floor, while the at least one connecting anchor absorbs tensile forces and thus avoids that the formwork stone, in particular due to the force acting on the outer shell weight forces, tilts away from the concrete floor to the outside.
  • the connecting anchor according to the invention makes it possible to absorb tensile forces in a particularly simple manner.
  • the inventor has recognized that the connecting anchor can be easily, quickly and reliably fixed to the outer shell or fastened in the outer shell by the features according to the invention.
  • the fixing takes place during normal use of the shuttering block at least in a direction perpendicular to the outer shell, that is, that the connecting anchor can not move away from or to the outer shell.
  • the second end of the connecting anchor can be due to the fact that this projecting beyond the second side surface of the insulating layer, in the concrete ceiling, with which the formwork stone is to be connected, enclosed or included. As a rule, this will be done when filling the concrete pavement without further action. This will also set the second end of the connection anchor.
  • connection anchor In normal use, the fixing takes place at least in one direction perpendicular to the outer shell of the formwork block, so that the connection anchor can not move in the direction of the shuttering stone or from this.
  • the connecting anchor which is, for example, an elongated element, can rotate about its axis also plays a minor role here.
  • the formwork block with its side facing away from the outer shell, bears against the concrete floor or is embedded in the concrete floor.
  • the facing away from the outer shell side of the shuttering stone is formed by the second side surface of the insulating layer and a correspondingly aligned surface of the at least one side web.
  • the shuttering block is preferably connected to the concrete floor in such a way that the underside of the shuttering block runs in a plane with the underside of the concrete floor.
  • the formwork stone is due to tolerances or due to a layer of mortar slightly higher or slightly lower than the bottom of the concrete pavement.
  • the upper side of the shuttering stone is arranged in a plane with the upper side of the concrete ceiling, wherein a slight height offset is also possible here.
  • the formwork brick has a substantially horizontally extending underside and a substantially horizontally extending upper side, when the shuttering block is correctly connected to the concrete ceiling.
  • the formwork brick has four side walls which are perpendicular to the top and bottom of the formwork brick and extend substantially in a vertical plane when the formwork brick is correctly installed. Two side walls are opposite each other. The side walls bound the shuttering stone.
  • the formwork stone with the side wall which is plane-parallel to the outer shell, but not identical with this, is applied to the concrete floor.
  • a bag which can be filled with concrete is formed, in which the first end of the at least one connecting anchor ends.
  • the inner side of the outer shell adjacent to the pocket and / or the first side face adjacent to the pocket or the part of the first side face of the insulating layer which adjoins the pocket may have a suitable design which provides a force and / or positive connection between the concrete to be filled in the pocket and the first side surface of the insulating layer and / or the inside of the outer formwork.
  • the at least one connecting anchor extends through the insulating layer and extends in the region of an upper side of the shuttering stone.
  • a profile of the connecting anchor through the insulating layer has the advantage that the connecting anchor particularly easy from the first side surface of the insulating layer, where it is fixed to the outer shell or connected to this, are guided to the second side surface of the insulating layer or beyond can, so that a connection with the concrete ceiling can be made.
  • the at least one connecting anchor runs parallel and adjacent to the at least one side web.
  • the side bar transmits the compressive forces, while the connecting anchor ensures to introduce the tensile forces in the concrete floor. This is particularly advantageously possible if the tensile reinforcement, in this case the connecting anchor, is arranged as close as possible to the side web which transmits the compressive forces.
  • the concrete one Arrangement also depends on the length of the pocket for receiving the concrete, especially if a parallel course of the connecting anchor to the side edge to be achieved.
  • the connecting anchor and the side edges preferably extend at right angles to the main surface of the outer shell in the direction of the concrete pavement to be joined.
  • an inner side of the shuttering stone which faces the concrete floor to be connected is formed essentially by the second side surface of the insulating layer and the rear side of the at least one side bar which is suitable for supporting itself on the concrete floor to be connected therewith is.
  • the inside of the formwork block may preferably be formed only by the second side surface of the insulating layer and the back of the side bars or.
  • the at least one side web projects beyond the second side surface of the insulating layer in the direction of the concrete surface to be joined.
  • the side bar can be supported on the concrete floor and incorporated into this or partially enclosed. Furthermore, due to the arrangement of the second side surface of the insulation layer offset in the direction of the concrete surface with respect to the side web, a recess or clearance is created, for example if a plurality of side edges are used, which can be used in an advantageous manner for the fact that second ends of the connecting anchors over the second side surface of the insulating layer survive can extend without overhanging the back of the sidewall or sidewalls.
  • the projecting at least one side web is achieved in a particularly advantageous manner that the shuttering block according to the invention is firmly connected to the concrete floor, so that pressure forces can be introduced particularly advantageous.
  • the concrete of the concrete ceiling thus adjoins at least a portion of a side surface and the back of the side bar to this and thus binds this firmly and stably.
  • the transfer of forces from the formwork stone in the concrete surface is substantially improved when the shuttering stone is not only applied to the concrete floor, but protrudes into this with the side bar.
  • a projection of the side bar in the direction of the concrete floor over the insulation layer is also particularly advantageous when using more than one side bar. In this case, all or more side bars can survive suitably.
  • the insulating layer is formed correspondingly multi-part.
  • outer shell and the at least one side web are integrally formed.
  • This can be a one-piece design of concrete, be provided in particular lightweight concrete, brick or other viable material. This results in a particularly stable structure and the pressure forces that occur can be introduced particularly easily from the outer shell via the side bar into the concrete floor to be connected therewith.
  • two side bars are provided. In principle, at least two side bars may be provided. Although it is sufficient if the formwork block only has a side bar, but it can be a more uniform introduction of forces and also a more even distribution of forces in the formwork block reach, if it has two side bars.
  • the side bars form the formwork stone laterally bounding side walls.
  • the concrete of the concrete pavement borders substantially only on one side wall of the side web, more precisely on the part of the side web which projects beyond the insulating layer in the direction of the concrete pavement.
  • On the other side wall of the shuttering web is usually on a side wall of the next adjacent shuttering stone.
  • the two adjoining side walls of the two shuttering blocks are thereby enclosed together by the concrete of the concrete floor or in this stable and firmly embedded in concrete.
  • the side walls and the outer shell may have the same height and possibly also a same thickness. It may be advantageous if the transition from the outer shell is reinforced to a side wall by the corresponding inner edges are reinforced. This can be done, for example, that the shuttering stone has an increased wall thickness of lightweight concrete or the transition is concreted out.
  • the connecting anchor 5 mm to 40 mm preferably 10 mm to 30 mm, more preferably 20 mm +/- 5 mm extend below the top of the shuttering stone, wherein the information refers to a center piece of the connecting anchor.
  • connection anchor is inserted into a groove, a slot or a recess at the top of the insulating layer.
  • the groove, the slot or the indentation may have a depth of 5 mm to 40 mm, preferably 10 to 30 mm, particularly preferably 20 mm +/- 5 mm. This ensures that the connection anchor on the one hand can be placed stable and secure in the insulating layer and on the other hand, which is particularly suitable for absorbing the tensile forces, located in the top of the formwork block.
  • the connecting anchor is inserted captive into the groove, the slot or the indentation.
  • This can for example be achieved in that the groove, the slot or the indentation are designed such that the connecting anchor can be clipped into this.
  • a hole may be provided through which the connecting anchor is pushed through, but this solution is more complex.
  • an opening gap of the groove, the slot or the indentation at the top of the insulating layer for inserting the connecting anchor is narrower than the diameter of the connecting anchor, wherein the groove, the slot or the indentation widens after the opening gap. Due to the elasticity of the insulating layer, the connecting anchor can be inserted with a certain pressure and is then held captive in the slot, the groove or the indentation.
  • the second end of the connecting anchor at least 15 mm, preferably at least 20 mm, more preferably at least 30 mm and most preferably 40 mm +/- 5 mm, projects beyond the second side surface of the insulating layer in the direction of the concrete pavement to be connected therewith.
  • These values in particular a value of 40 mm +/- 5 mm, have proven to be particularly suitable for establishing a stable connection with the concrete floor.
  • the connecting anchor has at its two ends end stops, which are adapted to receive and dissipate an acting in the axial direction of the connecting anchor tensile load.
  • the end stops can have a suitable design, preferably form a surface which is preferably perpendicular to the axial direction or the longitudinal direction of the connecting anchor, in particular the extent of the same, through the insulating layer is.
  • the end stop can have an arbitrary planar shape, optionally also a recessed surface shape, for example as a ring.
  • a flat disc for example, has a much better resistance surface compared to a ring and in particular distributes the forces occurring better.
  • An education as a plate or disc is particularly well.
  • the connecting anchor has an elongated connecting rod which extends at least between the end stops.
  • the connecting rod can also survive on the end stops preferably only with a portion. This may be advantageous to make a good connection between the end stops and the connecting rod.
  • connecting rod is not limited in the context of the invention to ei-ne rod-shaped design, although a training as a rod, possibly also as a tube, is particularly suitable. in principle However, here is possible any cross section, for example, a square or rectangular or polygonal cross section.
  • At least one of the end stops is designed as an end plate or end plate.
  • a disc-shaped configuration has been found to be particularly suitable for the transmission of tensile forces.
  • the diameter of the end disk is at least 3 times, preferably at least 4 times, more preferably 3 to 7 times, particularly preferably 4.5 to 5.5 times, and very particularly preferably 5 times the diameter of the connecting rod between the end plates.
  • the connecting rod is connected in a form-fitting manner to the end disks by a forming process, preferably by pressing.
  • the connecting rod can thus be made quickly and easily from preferably only three components. The implementation of a comparatively complex welding process, which would also be possible in principle, is thus avoided. Alternatively, other non-positive, positive or cohesive connections are possible.
  • the end disks each have a through hole with a neck and / or a projection, through which the connecting rod is pushed through and pressed with the neck and / or the projection.
  • Such a configuration has been found to be particularly suitable to connect the end plates with the connecting rod.
  • the compression of a neck or a projection with the connecting rod can be performed easily and reliably.
  • the neck or projection with which the end plate is connected to the connecting rod has the advantage, inter alia, that the end plate is secured in position in both directions on the connecting rod.
  • the fixation of the end plate in both directions makes it possible to use the connection anchor reliably and reliably.
  • any other flat end stop, z As an end plate to be connected to the connecting rod.
  • connection anchors can be distributed uniformly over the length of the formwork block.
  • An arrangement of the connecting anchors can also be provided in such a way that, in the case of a series of shuttering stones arranged next to one another, it is ensured that the connecting anchors are arranged in a uniform or at least approximately uniform grid.
  • connection anchor is arranged adjacent and parallel to each side web.
  • a connecting anchor can be assigned as adjacent as possible.
  • a particularly advantageous formwork stone results when it has a length of 375 mm +/- 45 mm, a height of 248 mm +/- 25 mm and a depth of 265 mm +/- 30 mm, wherein the insulating layer has a thickness of 150 mm +/- 20 mm.
  • This is a particularly suitable design of a formwork block of course, other dimensions possible, especially if a larger insulation thickness is desired. The dimensions can also change in particular if shorter formwork blocks are necessary.
  • a particularly advantageous building with a concrete floor results from claim 13.
  • the concrete floor has at least one of its side edges or at least a portion of one of its side edges a shuttering block according to one of claims 1 to 12.
  • particularly advantageous concrete ceilings can be produced.
  • Formwork blocks in particular for the production of a double-shell masonry, are well known from the general state of the art.
  • single-shell shuttering blocks and so-called connection or console blocks are also known from the general state of the art, which are fastened to frontal edges of a concrete floor in order to close them to the outside and in particular also to insulate them.
  • Fig. 1 shows a masonry 1, which is made of conventional bricks, in the embodiment of formwork bricks, in particular of bivalve formwork bricks 2, is formed.
  • the invention is not limited thereto. It can be any bricks.
  • the formwork brick 2 has, in a known manner, an outer shell 2a, an inner shell 2b and an intermediate insulating layer 2c.
  • Fig. 1 also shows a detail of a concrete pavement 3 with any structure 4, z. B. an insulation.
  • the concrete ceiling 3 may be formed, for example, as a reinforced concrete ceiling.
  • the formwork block 5 according to the invention is connected to the concrete ceiling 3.
  • the concrete ceiling 3 may be, for example, a floor slab or a foundation or a floor in particular of a building, not shown.
  • the shuttering block 5 according to the invention is preferably integrated into the masonry 1 in such a way that the shuttering block 5 fits flush into the masonry 1 so that it forms a substantially planar outside of the masonry 1 with the further shuttering blocks 2.
  • the closer structure of the shuttering block 5 results in particular from the Fig. 2 and 3 ,
  • the shuttering block 5 has an insulating layer 6, the first side surface 6a facing an outer shell 7 of the shuttering block 5 and connected thereto.
  • the second side surface 6b of the insulating layer 6 facing away from the first side surface 6a of the insulating layer 6 faces the concrete surface 3 to be connected to the shuttering stone 5.
  • the insulating layer 6 may be connected to the outer shell 7 via positive and / or non-positive connection elements, for example by a tongue and groove connection.
  • a connection can also result from the fact that the outer shell 7 encloses or surrounds the insulating layer 6 in a suitable manner.
  • the shuttering block 5 at least one, in the embodiment preferably two of a stable material, in the embodiment of lightweight concrete formed side webs 8, which extend from the outer shell 7 in the direction of the concrete ceiling 3 to be connected.
  • a side web, two side webs or more than two side webs can be provided in the context of the embodiment.
  • the side bars 8 are able to be supported on the concrete floor 3, when the formwork block 5, as in the Fig. 1 and 2 shown correctly installed.
  • an optional embodiment of the side webs 8 is provided as side walls of the shuttering block 5. Subsequently, therefore, the side bars are referred to as side walls 8. However, the invention is not limited to this embodiment.
  • the outer shell 7 and the side walls 8 are integrally formed of lightweight concrete. It can be provided that the side walls 8, the insulating layer 6 at two so covers opposite end faces and the insulating layer 6 is inserted between the side wall 8 connected to the outer shell 7, that this results in a good frictional and / or positive connection, so that the insulating layer 6 can not fall out of the formwork block 5.
  • one of the connecting concrete ceiling 3 facing inner side 9 of the shuttering block 5 is formed substantially by the second side surface 6b of the insulating layer 6 and the rear sides 8a of the side walls 8.
  • the side walls 8 are supported on the concrete pavement 3 to be connected therewith via the rear side 8a.
  • the shuttering block 5 has at least one connecting anchor 10.
  • two connecting anchors 10 are optionally provided.
  • the connecting anchors 10 each have a first end 11, which projects beyond the first side surface 6a of the insulating layer 6 and is fixed in its position relative to the outer shell 7.
  • the connecting anchors each have a second end 12 which projects beyond the second side surface 6b of the insulating layer 6 in such a way that the second end 12 is enclosed in the concrete ceiling 3 when the shuttering block 5 is correctly installed.
  • Fig. 3 shows a shuttering block 5 in a state in which this is not yet connected to a concrete pavement 3.
  • a bag 13 which can be filled with concrete 13 is formed, in which the first end 11 of the connecting anchor 10 ends.
  • the concrete 13 in the pocket 14 also leads to the insulating layer 6 is positively and / or non-positively connected to the outer shell 7, including, for example, a dovetail connection to the insulation layer and / or the outer shell 7 may be provided. Alternatively or in addition, it may be just protrusions, Undercuts or the like act that help to make a good connection between the concrete 14 and the outer shell 7 and the insulating layer 6.
  • the connecting anchor 10 extends, as shown in the embodiments, preferably through the insulating layer 6. Both ends 11,12 of the respective connecting anchor are on the associated side surface 6a, 6b of the insulating layer 6 via.
  • the connection anchor preferably runs in the region of the upper side of the formwork block, preferably as far above as is structurally possible, without the connection anchor 10 breaking through the upper side.
  • the connecting anchors 10 are parallel and as close as possible adjacent to the side walls 8. The arrangement is carried out such that the first end 11 of the connecting anchor 10 is in the pocket 14.
  • the side walls 8 project beyond the second side surface 6b of the insulating layer 6 in the direction of the concrete surface 3 to be joined, ie the rear sides 8a of the side walls 8 protrude further than the second side surface 6b of the insulating layer 6.
  • the second end 12 of the connecting anchor 10 protrudes less far beyond the second side surface 6a of the insulating layer 6 in the direction of the concrete surface 3 to be joined than the side walls 8.
  • connection anchors 10 are in an in Fig. 2 only groove 15 shown in dashed lines inserted at the top of the insulating layer 6.
  • groove 15 may also be a slot, a notch, a molding or the like at the top of the insulating layer 6 act.
  • a bore could be provided through which the connecting anchor 10 is pushed through.
  • groove 15 is shown in the exemplary embodiment for the sake of simplicity, but this may also be one of the other embodiments mentioned above.
  • the embodiment is not limited to a groove 15 in the present case.
  • the connecting anchors 10 are inserted captively into the groove 15. This can preferably take place in that a not-shown opening gap of the groove 15 at the top of the insulating layer 6 for inserting the connecting anchor 10 is narrower than the diameter of the connecting anchor 10, wherein the groove 15 widens after the opening gap.
  • the second end of the connecting anchor at least 15 mm, preferably at least 20 mm, more preferably at least 30 mm and most preferably 40 mm +/- 5 mm on the second side surface 6b of the insulating layer 6 in the direction of to be joined to concrete pavement 3.
  • the connecting anchor 10 at its two ends 11, 12 has end stops 16 which are adapted to receive and dissipate acting on the connecting anchor 10 in the axial direction of the tensile load.
  • the end stops are designed as end plates 16.
  • a surface extending at right angles to the axial direction of the connecting armature 10 is provided as an end stop. This can have any shape.
  • a training as end plate 16 or as a plate has been found to be particularly suitable.
  • the connecting anchors 10 each have an elongated connecting rod 17 which extends between the end stops, in this case the end plates 16 extends.
  • the Connecting rod 17 may in principle be any elongate element, which in particular may have any cross-section, for example rectangular, square or polygonal. However, a circular cross-section has been found to be particularly suitable.
  • the diameter of the end disks 16 is at least 3 times, preferably at least 4 times, more preferably 3 to 7 times, particularly preferably 4.5 to 5.5 times, and very particularly preferably 5 times the diameter of the arranged between the end plates 16 connecting rod 17 has.
  • the connecting rod 17 is connected to the end plates 16 by a forming process, preferably by pressing.
  • a welding or, for example, a riveting, caulking or gluing may be provided.
  • the end plates 16 preferably each have a through hole and an adjoining neck 18 and / or a projection.
  • the embodiment is shown with reference to a neck, but this may also be an arbitrary projection or a collar.
  • the connecting rod 17 can be pushed through the through hole and the adjoining neck 18, wherein then the neck is pressed with the connecting rod, as for example in the FIGS. 5 and 6 is shown in the result.
  • the ends of the connecting rod 17 thereby obtained a shape by which it is avoided that the ends of the connecting rod 17 can be pulled out again through the through hole 16 of the end plates. Furthermore, this is also supported by the fact that the respective neck 18 of the end plates 16 is pressed with the associated end of the connecting rod 17.
  • the formwork block shown in the embodiment has a length of 375 mm +/- 45 mm, a height of 248 mm +/- 25 mm and a depth of 265 mm +/- 30 mm, wherein the insulating layer 6 has a thickness of 150 mm + / - 20 mm.
  • the connecting anchor 10 and the connecting rod 17 and the end plates 16 are preferably formed of stainless steel.
  • the connecting rod 17 is a stainless steel wire.
  • the connecting rod has a diameter of 2 mm to 6 mm, preferably 4 mm, wherein it has been found suitable to form the end plates 16 with a diameter of 20 mm when the connecting rod 17 has a diameter of 4 mm.
  • the end discs may preferably have a thickness of 2 mm.
  • a lightweight concrete based on expanded clay As concrete for the production of the outer shell 7 and / or the side walls 8 may be preferably used a lightweight concrete based on expanded clay. This hard-fired expanded clay spheres can form the basis, so that the lightweight concrete is hsptechniksporig, permeable and non-capillary.
  • Fig. 2 For example, two shuttering blocks 5 are arranged side by side. Typically, a whole series of shuttering blocks 5 will be arranged side by side to isolate the side edge 3a of a concrete floor 3 to the outside.
  • the shuttering blocks 5 according to the invention can be connected to a concrete floor 3, without the need for further support by stones arranged underneath.
  • the height of the shuttering block 5 is preferably adapted to the height of the concrete ceiling 3.
  • the second side surface 6b of the insulating layer 6 may have a corrugation, but this is optional for the invention.
  • the shuttering block 5 made of concrete, in particular lightweight concrete, has been described.
  • the formwork block 5 can be made in the same way also from brick or other viable material, in particular a material that is commonly used for the production of building blocks.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Road Paving Structures (AREA)
  • Building Environments (AREA)
  • Panels For Use In Building Construction (AREA)

Claims (13)

  1. Pierre de coffrage (5) pour lier une dalle en béton (3) avec une couche de remplissage (6) dont une première surface latérale (6a) est disposée en regard d'une coque extérieure (7) de la pierre de coffrage (5) et est couplée avec elle et dont la deuxième surface latérale opposée (6b) est dirigée vers la dalle en béton (3) à lier à la pierre de coffrage (5), dans laquelle,
    la pierre de coffrage (5) comporte au moins un flanc latéral (8) constitué d'un matériau porteur, qui s'étend à partir de la coque extérieure (7) dans la direction de la dalle en béton (3) à lier, dans laquelle le flanc latéral (8) peut s'appuyer sur la dalle en béton (3) lorsque la pierre de coffrage (5) est correctement implantée et est couplé avec au moins un lien d'ancrage (10) qui a une première extrémité (11) qui surplombe la première surface latérale (6a) de la couche de remplissage (6) et est maintenu fixé dans sa position en face de la coque extérieure (7), et qui a une deuxième extrémité (12) qui surplombe la deuxième surface latérale (6b) de la couche de remplissage (6) de telle manière que la deuxième extrémité (12) est incorporée dans la dalle en béton (3), lorsque la pierre de coffrage (5) est correctement implantée,
    caractérisée en ce que, entre la première surface latérale (6a) de la couche de remplissage (6) et la coque extérieure (7) est ménagé une poche (14) agencée pour être remplie de béton (13), dans laquelle la première extrémité (11) aboutit ledit au moins un lien d'ancrage (10).
  2. Pierre de coffrage selon la revendication 1,
    caractérisée en ce que,
    ledit au moins un lien d'ancrage (10) s'étend à travers et est disposé dans le secteur d'un côté supérieur (6) de la pierre de coffrage (5).
  3. Pierre de coffrage selon l'une des revendications 1 à 2,
    caractérisée en ce que,
    une des parois intérieure (9) de la pierre de coffrage (5), orientée vers la dalle en béton (3) à lier, est constituée essentiellement par la deuxième surface latérale (6b) de la couche de remplissage (6) et la face arrière (8a) dudit au moins un flanc latéral (8), qui est adapté pour prendre appui sur la dalle en béton (3) à lier.
  4. Pierre de coffrage selon l'une des revendications 1 à 3,
    caractérisée en ce que,
    au moins un flanc latéral (8) surplombe la deuxième surface latérale (6b) de la couche de remplissage (6) dans la direction de la dalle en béton (3) à lier.
  5. Pierre de coffrage selon l'une des revendications 1 à 4,
    caractérisée en ce que,
    le lien d'ancrage (10) est logé dans une rainure (15), une fente ou un dégagement ménagé sur la face supérieure de la couche de remplissage (6).
  6. Pierre de coffrage selon la revendication 5,
    caractérisée en ce que,
    le lien d'ancrage (10) est logé dans une rainure (15), une fente ou un dégagement de manière imperdable.
  7. Pierre de coffrage selon les revendications 5 ou 6,
    caractérisée en ce que,
    une ouverture ménagée dans la rainure (15), la fente ou le dégagement ménagé sur la face supérieure de la couche de remplissage (6) pour l'introduction du lien d'ancrage (10) est plus étroite que le diamètre du lien d'ancrage (10), dans laquelle la rainure (15), la fente ou le dégagement s'évasent après la fente d'ouverture.
  8. Pierre de coffrage selon l'une des revendications 4 à 7,
    caractérisée en ce que,
    la deuxième extrémité (12) du lien d'ancrage (10) surplombe la deuxième surface (6b) de la couche de remplissage (6), dans la direction de la dalle en béton (3) à lier de façon moindre que ledit au moins un flanc latéral (8).
  9. Pierre de coffrage selon l'une des revendications 1 à 8,
    caractérisée en ce que,
    la deuxième extrémité (12) du lien d'ancrage (10) surplombe d'au moins 15mm, de préférence d'au moins 20mm, de façon particulièrement préférentielle d'au moins 30mm et très particulièrement avantageuse de 40mm +/- 5mm, la deuxième surface (6b) de la couche de remplissage (6), dans la direction de la dalle en béton (3) à lier.
  10. Pierre de coffrage selon l'une des revendications 1 à 9,
    caractérisée en ce que,
    le lien d'ancrage (10) présente des butées d'arrêt (16) à ses deux extrémités (11, 12), qui sont adaptées pour reprendre et délester une tension dans la direction axiale sur le lien d'ancrage (10).
  11. Pierre de coffrage selon l'une des revendications 1 à 10,
    caractérisée en ce que,
    deux liens d'ancrage (10) sont prévus.
  12. Pierre de coffrage selon l'une des revendications 1 à 11,
    caractérisée en ce que,
    il est prévu au voisinage et parallèlement à chaque flanc latéral (8), un lien d'ancrage (10).
  13. Bâtiment comportant une dalle en béton, dans lequel la dalle en béton est liée, à au moins un de ses bords latéraux par une pierre de coffrage selon l'une quelconque des revendications 1 à 12.
EP14168928.1A 2013-05-24 2014-05-20 Pierre de coffrage destinée à la liaison avec un revêtement en béton Not-in-force EP2816168B8 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201320102272 DE202013102272U1 (de) 2013-05-24 2013-05-24 Schalungsstein zur Verbindung mit einer Betondecke

Publications (4)

Publication Number Publication Date
EP2816168A2 EP2816168A2 (fr) 2014-12-24
EP2816168A3 EP2816168A3 (fr) 2015-03-11
EP2816168B1 true EP2816168B1 (fr) 2016-04-27
EP2816168B8 EP2816168B8 (fr) 2016-06-15

Family

ID=48784263

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14168928.1A Not-in-force EP2816168B8 (fr) 2013-05-24 2014-05-20 Pierre de coffrage destinée à la liaison avec un revêtement en béton

Country Status (3)

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EP (1) EP2816168B8 (fr)
DE (1) DE202013102272U1 (fr)
DK (1) DK2816168T3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3022568B1 (fr) * 2014-06-23 2016-07-15 Jonathan Flores Procede de construction d'un batiment, notamment a usage d'habitation a double coque, habitation obtenue
LU93208B1 (de) * 2016-09-13 2018-03-16 Goebbel Hans Georg Nichttragender Innenraum-Lochziegel, Mauerstein, Herstellungsverfahren dazu, Montagerahmenprofil, Fertigteilbauwand und Herstellungsverfahren

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE464477B (sv) * 1989-01-05 1991-04-29 Erik Thelberg Prefabricerat byggrundelement
DE4318578A1 (de) 1993-06-04 1994-12-08 Siegfried Gebhart Schalungsstein
DE29914583U1 (de) * 1999-08-19 1999-10-28 Gisoton Baustoffwerke Gebhart Stein
DE20119250U1 (de) * 2001-11-26 2002-04-25 Winklmann Gmbh & Co Kg Deckenabmauerung
DE20200388U1 (de) * 2002-01-11 2002-03-21 Kegelmann Ziegelfabrik Befestigungseinrichtung zum Anbringen von Halterungen an Außenseiten eines Bauwerkes
FR2887905B1 (fr) * 2005-06-30 2007-08-31 Lafarge Sa Rupteur thermique
DE202009002697U1 (de) * 2009-03-05 2009-05-20 Baustoffwerke Gebhart & Söhne GmbH & Co. KG Baustein

Also Published As

Publication number Publication date
EP2816168A2 (fr) 2014-12-24
EP2816168B8 (fr) 2016-06-15
DE202013102272U1 (de) 2013-06-06
EP2816168A3 (fr) 2015-03-11
DK2816168T3 (en) 2016-08-15

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